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|  DSH 700; D4 x$ |% H2 t1 D! B
# s @% d) G. @$ E
| Push force for connectors
6 w# ~/ ?; ]6 v4 B0 @, b& { | 4.3.5
7 ]7 W$ }) m6 V9 U# Q | 60950-1(ed.2)
) a8 }, g+ ~" R! e8 S' ?4 ^ |
1 T9 C4 s% B9 Z) d% u* [
Standard- No. Year
) \4 e9 Y* k4 x& n, }0 ~9 yIEC 60950-1:2005 DSH7 A8 I o8 ]' J
0700
; O* b" p8 o; a/ A. v3 z2008) d- A, }# m% P" ~
Category: OFF
! h, t w6 x) G; _/ dSubclause:
3 o& V4 t3 G4 Q6 T+ h$ R% O Z4.3.5+ o* v! |0 Q( z7 V
Developed by: ETF 2! H7 ^% _. k4 C* f8 @% j6 f
Subject:; ^% T3 E. W$ {2 c2 H/ ]% t: H
Push force for connectors' V7 X, H" R) j
Key words:
; P% O, Y/ C9 _ R-Travel adapter;& ?1 k8 X5 a6 X$ X
- connector misconnection% b5 C' ~: [8 D- ~. b- O
Decision approved at the
1 v& K2 D7 e9 [5 ^ w46th CTL Plenary Meeting3 P$ E; T* j( t6 c
in 2009. ]. O g4 t+ _! h
Question:
* O7 I \& {3 ^; i( o) }' s6 TA travel adapter consists of two separable parts:$ @7 Y# Y) J7 }" p
· AC/DC unit (down transformation of voltage, safety separation provided)" f7 b' \' a9 r2 s4 p% Y! L6 F# Z
· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
; B) c: `% t- ~1 dprovided)2 l i, p4 b' t# A8 O
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC2 m+ K/ D* ?3 T* F
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a* `' g; Y4 o3 k/ ]8 ]% ^7 }
special 2-pins input connector.
1 _) l' v( R1 s- Z3 O; y [5 v" `With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input- V' P' o& a( z: ^. | e
connector of the DC/DC unit and make contact.4 I, G! M4 K: o+ r4 h
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks) \+ l/ Q' g! I
are provided in the user manual that state that the connector of the AC power cord shall not be
: R6 I" x% }, b! A# Q* I, Upushed into the input connector of the DC/DC unit? C* ~& r( h) P( I7 p+ ^+ N2 p
b. How much force must be applied during the testing of the input connector (DC) and appliance; b' k4 a# h0 V. Q
coupler (AC)?
8 a: E- F) \8 z) h. f, KDecision:( Z. H2 G$ U/ o
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
' O; [. F6 W- z6 S7 o! k) n9 Btesting possible misconnection of IEC 60320 and similar connectors.
9 Q- |' \ c+ u N6 i4 q3 |# }' p. u( M) @0 k
+ X. c; j; U3 T1 H& r
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发表于 2012-11-6 13:49
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